<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<body>
<h2>Hello World!</h2>
<a href="/account/addAccount?username=">测试params</a>
<a href="/account/addAccount?username=aa">测试paramsaa</a>
<a href="/account/addAccount?username=bb">测试paramsbb</a>
</body>
</html>
